A Modified Iterative Alternating Direction Minimization Algorithm for Impulse Noise Removal in Images

Figure 5

Denoised images with 30% salt-and-pepper noise. (a1), (a2), and (a3) are original images; (b1), (b2), and (b3) are results of median filtering; (c1), (c2), and (c3) are results of total variation denoising; (d1), (d2), and (d3) are results of the wavelet-based sparse representation denoising; (e1), (e2), and (e3) are results of the proposed method.